Anti-human IL-12 neutralizing antibody addition resulted in significant IFN-γ reduction in all ratios (10:1, p = 0.043222; 5:1, p = 0.025218; and 1:1, p = 0.000663) and supernatant (p = 0.0268) exposures from transduced sarcomas. Here, IFNG is linked to sarcoma.